Overview
Niacinamide (vitamin B3) is a multifunctional ingredient used to support scalp barrier health, improve comfort, and reduce visible signs of irritation. In scalp-care formulas, it is commonly used to support barrier resilience and improve overall scalp condition. Niacinamide is frequently combined with cleansing and anti-dandruff systems to help maintain scalp balance during ongoing care.
What Is Niacinamide?
Niacinamide is
- A water-soluble form of vitamin B3
- Widely used in skin and scalp formulations
- Known for barrier-supportive and soothing properties
- Generally well tolerated in rinse-off and leave-in products
How Niacinamide Supports Scalp Health
Niacinamide may help by
1. Supporting skin barrier function - Helps reinforce healthy barrier processes
2. Reducing visible scalp irritation - Supports calmer-looking scalp
3. Balancing scalp feel - Helps scalp feel less tight or reactive
4. Supporting long-term comfort - Useful in maintenance-focused routines
Best Use Cases
Niacinamide is often selected for
- Scalp prone to dryness or sensitivity
- Supportive care alongside targeted treatment plans
- Mild to moderate irritation concerns
- Routine scalp maintenance after symptom improvement
Considerations
Key points
- Works best with consistent use over time
- Not a standalone substitute for dandruff-control actives
- Often pairs with actives for comprehensive care
- Often paired with gentle cleansing systems for sensitive scalp types
Formula Pairings
Niacinamide is commonly paired with
- Cocamidopropyl Betaine for milder cleansing
- Dimethicone for smoother hair feel
- Menthol for cooling comfort support
External Resources
- P&G Science Behind Head & Shoulders: Clinical Data
- P&G Science: The Clinical Dandruff Defense Collection
- P&G Science: The Original Scalp Collection
- P&G Science: Leave No Trace Dandruff Decoded